100 kW peak power external cavity diamond Raman laser at 2.52 μm

Research output: Contribution to journalArticle

Abstract

We report an external cavity diamond Raman laser operating at 2.52 μm, pumped by a 1.89 μm Tm:LiYF4 (YLF) laser. The maximum pulse energy at 2.52 μm is 1.67 mJ for 4.4 mJ of pump, yielding a conversion efficiency of 38 %. The best slope efficiency is ~60% and the Raman pulse duration is between 11 and 15 ns for ~33 ns pump pulse duration. The peak power at 2.52 μm is >100 kW. This demonstration of a Thulium laser pumped diamond Raman laser paves the way for accessing the industrially important wavelength region of ~2.5 μm.
LanguageEnglish
Pages10296-10303
Number of pages8
JournalOptics Express
Volume27
Issue number7
DOIs
Publication statusPublished - 28 Mar 2019

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Raman lasers
pulse duration
diamonds
pumps
YLF lasers
cavities
thulium
slopes
pulses
wavelengths
lasers
energy

Keywords

  • diamond Raman lasers
  • solid state lasers
  • short-wave infrared

Cite this

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title = "100 kW peak power external cavity diamond Raman laser at 2.52 μm",
abstract = "We report an external cavity diamond Raman laser operating at 2.52 μm, pumped by a 1.89 μm Tm:LiYF4 (YLF) laser. The maximum pulse energy at 2.52 μm is 1.67 mJ for 4.4 mJ of pump, yielding a conversion efficiency of 38 {\%}. The best slope efficiency is ~60{\%} and the Raman pulse duration is between 11 and 15 ns for ~33 ns pump pulse duration. The peak power at 2.52 μm is >100 kW. This demonstration of a Thulium laser pumped diamond Raman laser paves the way for accessing the industrially important wavelength region of ~2.5 μm.",
keywords = "diamond Raman lasers, solid state lasers, short-wave infrared",
author = "Giorgos Demetriou and Kemp, {Alan J.} and Vasili Savitski",
year = "2019",
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journal = "Optics Express",
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100 kW peak power external cavity diamond Raman laser at 2.52 μm. / Demetriou, Giorgos; Kemp, Alan J.; Savitski, Vasili.

In: Optics Express, Vol. 27, No. 7, 28.03.2019, p. 10296-10303.

Research output: Contribution to journalArticle

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KW - diamond Raman lasers

KW - solid state lasers

KW - short-wave infrared

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